Odpowiedź :
Odpowiedź:
zad 1
a) 15% = 15/100 = 0,15
b) 6,5% = 6,5/100 = 0,065
c) 127% = 127/100 = 1,27
d) 21,2% = 21,2/100 = 0,212
e) 260% = 260/100 = 2,6
f) 1800% = 1800/100 = 18
zad 2
a) 0,7 = 0,7 * 100% = 70%
b) 8/25 = 8/25 * 100% = 8 *4% = 32%
c) 3 7/16 = 55/16 * 100% = 5500/16% = 343,75%
d) 21/15 = 21/15 * 100% = 2100/15% = 140%
e) 8,085 = 8,085 * 100% = 808,5%
f) 4,03 = 4,03 * 100% = 403%
zad 3
15% liczby 200 , to : 15/100 * 200 = 15 * 2 = 30
8% liczby 2,04 , to: 0,08 * 2,04 = 0,1632
220% liczby 45 , to: 220/100 * 45 = 22/10 * 45 = 11/5 * 45 = 11 * 9 = 99
1.
a) 15% = 0,15 = 15/100 = 3/20
b) 6,5% = 0,065 = 65/1000 = 13/200
c) 127% = 1,27 = 127/100
d) 21,2% = 0,212 = 212/1000 = 53/250
e) 260% = 2,6 = 26/10 = 13/5
f) 1800% = 18
2.
a) 0,7 * 100% = 70%
b) 8/25 * 100% = 0,32 * 100% = 32%
c) 3 7/16 * 100% = 55/16 * 100% = 3,4375 * 100% = 343,75%
d) 21/15 * 100% = 1,4 * 100% = 140%
e) 8,085 * 100% = 808,5%
f) 4,03 * 100% = 403%
3.
15% * 200 = 0,15 * 200 = 30
8% * 2,04 = 0,08 * 2,04 = 0,1632
220% * 45 = 2,2 * 45 = 99